1982

23,725

19

15

32,085

57

49

56,029

41

35

1983

24,381

18

15

30,037

57

50

54,656

39

34

1984

26,415

17

14

30,775

55

47

57,512

38

32

1985

27,578

16

12

30,008

52

44

57,883

35

29

1986

28,434

16

13

31,543

53

45

60,335

36

30

1987

29,227

15

12

31,854

51

43

61,442

34

28

1988

30,196

14

11

31,715

50

43

62,253

33

28

1989

29,953

13

11

30,170

49

42

60,435

31

27

1990

28,797

14

11

29,778

51

44

58,893

33

28

1991

26,829

13

10

27,249

49

43

54,391

31

27

1992

26,236

12

10

25,380

47

40

51,901

30

25

1993

27,770

11

  9

25,355

46

39

53,401

28

24

1994

29,134

11

  9

25,112

44

38

54,549

27

23

1995

30,066

11

  9

25,755

43

37

56,164

26

22

1996

30,802

11

  8

25,864

43

37

57,001

26

22

1997

30,979

10

  8

25,368

41

35

56,688

24

20

1998

31,389

10

  8

24,879

42

36

56,604

24

20

1999

31,212

10

  8

24,968

41

35

56,502

24

20

2000

31,236

11

  8

25,710

43

37

57,280

26

21

2001

31,620

11

  8

25,661

43

37

57,586

25

21

2002

31,135

11

  8

26,653

42

36

58,113

25

21

2003

31,863

10

  8

26,258

41

36

58,517

24

21

2004

31,495

10

  8

26,235

40

35

58,080

24

20